package com.ktjiaoyu.demo4;

/**
 * @ClassName : UserServiceImpl
 * @Description :
 * @Author : Lzz
 * @Date: 2023/9/25 10:55:01
 */
public class UserServiceImpl {

    private UserDao userDao;

    public UserServiceImpl(){

    }

    public UserServiceImpl(UserDao userDao){
        this.userDao = userDao;
    }

    public void update(){
        userDao.update();
    }

}
